you don't need a full rebalance no matter what. only the harmonic, crank,
flywheel.
if you don't spot drilling use the wheel as is. you might want to call
wherever the crate engine came from and ask if they did any stuff to the
wheel.
Energy Management is the hallmark of a professional pilot
----- Original Message -----
From: "Jerry & Maureen (Mo)" <JCMC2006@suddenlink.net>
To: wsamouce@kc.rr.com, TIGERS@autox.team.net
Sent: Tuesday, April 13, 2010 5:17:23 PM GMT -06:00 US/Canada Central
Subject: Re: [Tigers] Balancing and flywheel confusion
I also have a 1991 engine (roller blocks the only way to go); I used the
stock 50oz weight. The only problem I see with yours is when it was balanced
they may have drilled on the flexplate to get the balance correct (as
evidenced by fresh drilling on the offset weight bar) if that is the case
then installing a flywheel would upset the balance as the new wheel would
not have the new "balance" as the flexplate did.
As another lister suggested you might be better off to have it rebalanced
with the flywheel this time.
Something I had done when mine was balanced was to balance everything in the
engine first without the pressure plate (clutchplate), and then balance with
the pressureplate on and any differences in weight was taken off the
pressureplate. B That way whenever I change the clutch out it would not have
as much effect on the balance of the engine. Granted a new pressureplate
might be a little off, but it's been on there 10 years so far.
It would be nice if the "balancers" had a way of balancing a clutchplate by
itself to "0" that way you would have no problem on changing out
clutchplates.
Hope this helps
Jerry Christopherson
9473187 B B B B
-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
On Behalf Of wsamouce@kc.rr.com
Sent: Tuesday, April 13, 2010 9:59 AM
To: TIGERS@autox.team.net
Subject: [Tigers] Balancing and flywheel confusion
I check the archives and did not find a good answer (for me) on this.
My 1991 347 has been balanced to 28 oz with a flexplate. B The flexplate has
a 1" X 2" weight welded to it with some of the material drilled out. B I have
a 65 6 bolt aluminum bell housing that I will have modified for my
toploader.
I have the following questions -
1. Is a 157 tooth flywheel correct for this application?
2. I want use a centerforce flywheel, which would be best?
3. Does the engine need to be re-balanced with a flywheel vs. the flexplate?
4. Do I use a 10.5 or 11" clutch?
TIA!
Duke
B382002037
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